/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:16:45,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:16:45,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:16:45,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:16:45,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:16:45,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:16:45,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:16:45,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:16:45,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:16:45,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:16:45,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:16:45,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:16:45,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:16:45,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:16:45,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:16:45,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:16:45,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:16:45,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:16:45,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:16:45,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:16:45,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:16:45,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:16:45,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:16:45,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:16:45,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:16:45,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:16:45,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:16:45,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:16:45,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:16:45,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:16:45,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:16:45,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:16:45,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:16:45,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:16:45,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:16:45,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:16:45,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:16:45,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:16:45,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:16:45,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:16:45,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:16:45,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:16:45,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:16:45,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:16:45,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:16:45,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:16:45,725 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:16:45,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:16:45,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:16:45,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:16:45,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:16:45,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:16:45,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:16:45,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:16:45,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:16:45,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:16:45,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:16:45,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:16:45,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:16:45,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:16:45,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:16:45,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:16:45,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:16:45,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:16:45,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:16:45,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:16:45,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:16:45,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:16:45,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:16:45,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:16:45,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:16:45,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:16:46,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:16:46,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:16:46,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:16:46,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:16:46,065 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:16:46,066 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-08-21 21:16:46,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92477c548/aea5dda94c624a8193d1c5411cf3ac32/FLAG93b8f0b08 [2020-08-21 21:16:46,696 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:16:46,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-08-21 21:16:46,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92477c548/aea5dda94c624a8193d1c5411cf3ac32/FLAG93b8f0b08 [2020-08-21 21:16:46,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92477c548/aea5dda94c624a8193d1c5411cf3ac32 [2020-08-21 21:16:46,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:16:46,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:16:46,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:46,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:16:46,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:16:46,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:46" (1/1) ... [2020-08-21 21:16:46,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:46, skipping insertion in model container [2020-08-21 21:16:46,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:46" (1/1) ... [2020-08-21 21:16:46,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:16:47,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:16:47,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:47,358 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:16:47,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:47,558 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:16:47,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47 WrapperNode [2020-08-21 21:16:47,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:47,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:16:47,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:16:47,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:16:47,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... [2020-08-21 21:16:47,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:16:47,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:16:47,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:16:47,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:16:47,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:16:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:16:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:16:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:16:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:16:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:16:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:16:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:16:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:16:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 21:16:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:16:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:16:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:16:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:16:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:16:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:16:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:16:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:16:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-21 21:16:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:16:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:16:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:16:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:16:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:16:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:16:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:16:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:16:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:16:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 21:16:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:16:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:16:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:16:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:16:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:16:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:16:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:16:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:16:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:16:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:16:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:16:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:16:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:16:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:16:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:16:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:16:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 21:16:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-21 21:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:16:48,904 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:16:48,904 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:16:48,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:48 BoogieIcfgContainer [2020-08-21 21:16:48,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:16:48,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:16:48,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:16:48,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:16:48,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:16:46" (1/3) ... [2020-08-21 21:16:48,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea8cffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:48, skipping insertion in model container [2020-08-21 21:16:48,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:47" (2/3) ... [2020-08-21 21:16:48,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea8cffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:48, skipping insertion in model container [2020-08-21 21:16:48,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:48" (3/3) ... [2020-08-21 21:16:48,918 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-08-21 21:16:48,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:16:48,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:16:48,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:16:48,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:16:48,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:16:48,977 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:16:48,977 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:16:48,977 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:16:48,977 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:16:48,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:16:48,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:16:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-21 21:16:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 21:16:49,021 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:49,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:49,023 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:49,030 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2020-08-21 21:16:49,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:49,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610496237] [2020-08-21 21:16:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,735 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:16:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:16:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:16:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:49,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610496237] [2020-08-21 21:16:49,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:49,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:16:49,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996476610] [2020-08-21 21:16:49,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:16:49,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:49,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:16:49,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:49,864 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-08-21 21:16:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:50,871 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-08-21 21:16:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:16:50,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 21:16:50,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:50,888 INFO L225 Difference]: With dead ends: 287 [2020-08-21 21:16:50,889 INFO L226 Difference]: Without dead ends: 158 [2020-08-21 21:16:50,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-08-21 21:16:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-08-21 21:16:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-21 21:16:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-08-21 21:16:50,991 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2020-08-21 21:16:50,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:50,992 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-08-21 21:16:50,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:16:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-08-21 21:16:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:16:50,999 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:50,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:51,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:16:51,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:51,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:51,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2020-08-21 21:16:51,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:51,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969423603] [2020-08-21 21:16:51,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,440 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:51,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:16:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 21:16:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:51,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969423603] [2020-08-21 21:16:51,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:51,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:51,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791343013] [2020-08-21 21:16:51,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:51,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:51,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:51,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:51,565 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 9 states. [2020-08-21 21:16:51,957 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:52,266 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:52,534 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:52,770 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:54,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:54,024 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2020-08-21 21:16:54,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:16:54,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 21:16:54,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:54,030 INFO L225 Difference]: With dead ends: 260 [2020-08-21 21:16:54,030 INFO L226 Difference]: Without dead ends: 158 [2020-08-21 21:16:54,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:16:54,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-08-21 21:16:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-08-21 21:16:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-21 21:16:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-08-21 21:16:54,087 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2020-08-21 21:16:54,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:54,088 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-08-21 21:16:54,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:16:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-08-21 21:16:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-21 21:16:54,090 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:54,091 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:54,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:16:54,091 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:54,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:54,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2020-08-21 21:16:54,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:54,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333878484] [2020-08-21 21:16:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,394 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:16:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:16:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 21:16:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 21:16:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:54,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333878484] [2020-08-21 21:16:54,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:54,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:16:54,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830391794] [2020-08-21 21:16:54,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:16:54,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:54,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:16:54,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:16:54,512 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2020-08-21 21:16:54,850 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:56,369 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:16:56,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:56,924 INFO L93 Difference]: Finished difference Result 377 states and 484 transitions. [2020-08-21 21:16:56,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:16:56,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-08-21 21:16:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:56,930 INFO L225 Difference]: With dead ends: 377 [2020-08-21 21:16:56,930 INFO L226 Difference]: Without dead ends: 275 [2020-08-21 21:16:56,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:16:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-21 21:16:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 225. [2020-08-21 21:16:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-08-21 21:16:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 269 transitions. [2020-08-21 21:16:56,989 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 269 transitions. Word has length 72 [2020-08-21 21:16:56,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:56,990 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 269 transitions. [2020-08-21 21:16:56,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:16:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 269 transitions. [2020-08-21 21:16:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-08-21 21:16:56,992 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:56,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:56,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:16:56,993 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:56,993 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2020-08-21 21:16:56,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:56,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51929685] [2020-08-21 21:16:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,272 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:16:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:16:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:16:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:16:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-21 21:16:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 21:16:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:16:57,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51929685] [2020-08-21 21:16:57,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:57,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:57,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639555206] [2020-08-21 21:16:57,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:57,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:57,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:57,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:57,382 INFO L87 Difference]: Start difference. First operand 225 states and 269 transitions. Second operand 9 states. [2020-08-21 21:16:57,774 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:58,386 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:59,262 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:59,593 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:16:59,978 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:00,222 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:00,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:00,586 INFO L93 Difference]: Finished difference Result 471 states and 597 transitions. [2020-08-21 21:17:00,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 21:17:00,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-08-21 21:17:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:00,592 INFO L225 Difference]: With dead ends: 471 [2020-08-21 21:17:00,592 INFO L226 Difference]: Without dead ends: 274 [2020-08-21 21:17:00,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-21 21:17:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-21 21:17:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 224. [2020-08-21 21:17:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-21 21:17:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 266 transitions. [2020-08-21 21:17:00,642 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 266 transitions. Word has length 86 [2020-08-21 21:17:00,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:00,642 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 266 transitions. [2020-08-21 21:17:00,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:17:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 266 transitions. [2020-08-21 21:17:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 21:17:00,645 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:00,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:00,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:17:00,646 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:00,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:00,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2020-08-21 21:17:00,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:00,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789326296] [2020-08-21 21:17:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,947 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:00,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:17:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:17:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:17:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 21:17:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:17:01,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789326296] [2020-08-21 21:17:01,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:17:01,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:17:01,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874478792] [2020-08-21 21:17:01,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:17:01,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:01,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:17:01,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:17:01,107 INFO L87 Difference]: Start difference. First operand 224 states and 266 transitions. Second operand 9 states. [2020-08-21 21:17:02,005 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:02,249 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 21:17:02,531 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:02,799 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:03,500 INFO L93 Difference]: Finished difference Result 471 states and 606 transitions. [2020-08-21 21:17:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:17:03,501 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-08-21 21:17:03,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:03,504 INFO L225 Difference]: With dead ends: 471 [2020-08-21 21:17:03,504 INFO L226 Difference]: Without dead ends: 275 [2020-08-21 21:17:03,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:17:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-21 21:17:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 229. [2020-08-21 21:17:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-08-21 21:17:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 271 transitions. [2020-08-21 21:17:03,552 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 271 transitions. Word has length 102 [2020-08-21 21:17:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:03,552 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 271 transitions. [2020-08-21 21:17:03,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:17:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 271 transitions. [2020-08-21 21:17:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 21:17:03,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:03,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:03,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:17:03,555 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:03,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:03,556 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2020-08-21 21:17:03,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:03,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393843078] [2020-08-21 21:17:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,834 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:17:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:17:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:17:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 21:17:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:17:04,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393843078] [2020-08-21 21:17:04,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:17:04,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 21:17:04,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215762031] [2020-08-21 21:17:04,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 21:17:04,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:04,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 21:17:04,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:17:04,018 INFO L87 Difference]: Start difference. First operand 229 states and 271 transitions. Second operand 11 states. [2020-08-21 21:17:04,777 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:05,009 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:05,232 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:05,892 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:06,140 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:06,402 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:07,220 INFO L93 Difference]: Finished difference Result 481 states and 617 transitions. [2020-08-21 21:17:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 21:17:07,221 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-08-21 21:17:07,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:07,223 INFO L225 Difference]: With dead ends: 481 [2020-08-21 21:17:07,223 INFO L226 Difference]: Without dead ends: 280 [2020-08-21 21:17:07,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 21:17:07,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-08-21 21:17:07,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 233. [2020-08-21 21:17:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-08-21 21:17:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 275 transitions. [2020-08-21 21:17:07,267 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 275 transitions. Word has length 102 [2020-08-21 21:17:07,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:07,267 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 275 transitions. [2020-08-21 21:17:07,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 21:17:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 275 transitions. [2020-08-21 21:17:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-21 21:17:07,269 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:07,269 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:07,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:17:07,270 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:07,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:07,270 INFO L82 PathProgramCache]: Analyzing trace with hash 218584628, now seen corresponding path program 1 times [2020-08-21 21:17:07,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:07,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659480576] [2020-08-21 21:17:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,525 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:07,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:17:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:17:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-21 21:17:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-21 21:17:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:17:07,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659480576] [2020-08-21 21:17:07,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:17:07,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:17:07,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514879566] [2020-08-21 21:17:07,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:17:07,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:07,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:17:07,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:17:07,627 INFO L87 Difference]: Start difference. First operand 233 states and 275 transitions. Second operand 6 states. [2020-08-21 21:17:08,343 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:09,157 INFO L93 Difference]: Finished difference Result 409 states and 488 transitions. [2020-08-21 21:17:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:17:09,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-08-21 21:17:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:09,160 INFO L225 Difference]: With dead ends: 409 [2020-08-21 21:17:09,160 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 21:17:09,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:17:09,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 21:17:09,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2020-08-21 21:17:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-08-21 21:17:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2020-08-21 21:17:09,205 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 98 [2020-08-21 21:17:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:09,205 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2020-08-21 21:17:09,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:17:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2020-08-21 21:17:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 21:17:09,207 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:09,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:09,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 21:17:09,207 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:09,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2020-08-21 21:17:09,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:09,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44746870] [2020-08-21 21:17:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,464 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:09,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:17:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:17:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:17:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 21:17:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:17:09,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44746870] [2020-08-21 21:17:09,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:17:09,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:17:09,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271257896] [2020-08-21 21:17:09,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:17:09,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:09,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:17:09,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:17:09,593 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 7 states. [2020-08-21 21:17:09,943 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:10,518 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:12,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:12,128 INFO L93 Difference]: Finished difference Result 573 states and 717 transitions. [2020-08-21 21:17:12,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 21:17:12,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-08-21 21:17:12,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:12,132 INFO L225 Difference]: With dead ends: 573 [2020-08-21 21:17:12,132 INFO L226 Difference]: Without dead ends: 398 [2020-08-21 21:17:12,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:17:12,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-08-21 21:17:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 360. [2020-08-21 21:17:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-08-21 21:17:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2020-08-21 21:17:12,197 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 102 [2020-08-21 21:17:12,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:12,198 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2020-08-21 21:17:12,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:17:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2020-08-21 21:17:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-08-21 21:17:12,199 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:12,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:12,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 21:17:12,200 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:12,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:12,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2020-08-21 21:17:12,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:12,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776016667] [2020-08-21 21:17:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,559 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:17:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 21:17:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 21:17:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 21:17:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-21 21:17:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:17:12,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776016667] [2020-08-21 21:17:12,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:17:12,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 21:17:12,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705053660] [2020-08-21 21:17:12,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 21:17:12,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:12,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 21:17:12,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:17:12,780 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 12 states. [2020-08-21 21:17:13,362 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:13,982 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:14,860 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:15,171 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:15,416 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 21:17:15,678 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:15,920 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:16,764 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:17,018 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:17:17,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:17,666 INFO L93 Difference]: Finished difference Result 988 states and 1228 transitions. [2020-08-21 21:17:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 21:17:17,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-08-21 21:17:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:17,672 INFO L225 Difference]: With dead ends: 988 [2020-08-21 21:17:17,672 INFO L226 Difference]: Without dead ends: 721 [2020-08-21 21:17:17,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 21:17:17,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-08-21 21:17:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 614. [2020-08-21 21:17:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-21 21:17:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 712 transitions. [2020-08-21 21:17:17,769 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 712 transitions. Word has length 106 [2020-08-21 21:17:17,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:17,770 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 712 transitions. [2020-08-21 21:17:17,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 21:17:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 712 transitions. [2020-08-21 21:17:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-21 21:17:17,772 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:17:17,772 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:17:17,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 21:17:17,773 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:17:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:17:17,773 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2020-08-21 21:17:17,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:17:17,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058416026] [2020-08-21 21:17:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:17:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,064 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:18,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:17:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:17:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:17:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:17:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:17:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 21:17:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:17:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 21:17:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:17:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 21:17:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:17:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-21 21:17:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:17:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-21 21:17:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-21 21:17:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:17:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-21 21:17:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-21 21:17:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:17:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 21:17:18,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058416026] [2020-08-21 21:17:18,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:17:18,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 21:17:18,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707626013] [2020-08-21 21:17:18,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 21:17:18,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:17:18,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 21:17:18,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:17:18,335 INFO L87 Difference]: Start difference. First operand 614 states and 712 transitions. Second operand 16 states. [2020-08-21 21:17:19,333 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 21:17:19,876 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 21:17:20,134 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 21:17:20,373 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 21:17:20,965 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:21,240 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:21,981 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 21:17:22,701 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:17:23,118 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 21:17:23,488 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:23,740 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:17:24,028 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 21:17:24,496 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 21:17:24,959 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 21:17:25,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:17:25,150 INFO L93 Difference]: Finished difference Result 955 states and 1130 transitions. [2020-08-21 21:17:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-21 21:17:25,151 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2020-08-21 21:17:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:17:25,152 INFO L225 Difference]: With dead ends: 955 [2020-08-21 21:17:25,152 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:17:25,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 21:17:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:17:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:17:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:17:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:17:25,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-08-21 21:17:25,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:17:25,158 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:17:25,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 21:17:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:17:25,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:17:25,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 21:17:25,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:17:25,986 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 225 [2020-08-21 21:17:26,721 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-08-21 21:17:28,754 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-08-21 21:17:29,399 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 224 [2020-08-21 21:17:29,619 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 21:17:30,258 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-08-21 21:17:30,449 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 21:17:30,620 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 21:17:31,026 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-08-21 21:17:31,261 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-08-21 21:17:31,404 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 21:17:31,729 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-21 21:17:32,157 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-21 21:17:32,415 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-08-21 21:17:32,570 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 21:17:32,762 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 21:17:32,932 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 21:17:33,152 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:17:34,094 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2020-08-21 21:17:34,232 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 21:17:34,408 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-08-21 21:17:35,230 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-08-21 21:17:35,395 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 21:17:36,165 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-08-21 21:17:36,997 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-08-21 21:17:37,508 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-21 21:17:37,756 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-21 21:17:38,063 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-08-21 21:17:38,244 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-21 21:17:38,472 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-08-21 21:17:38,636 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 21:17:38,820 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-21 21:17:38,981 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 21:17:39,135 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-21 21:17:39,423 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-08-21 21:17:39,605 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-08-21 21:17:40,170 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-08-21 21:17:40,361 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 21:17:40,538 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 21:17:40,707 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 21:17:40,875 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 21:17:41,288 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2020-08-21 21:17:41,489 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 21:17:41,664 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 21:17:41,669 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-08-21 21:17:41,670 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-08-21 21:17:41,671 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-08-21 21:17:41,672 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2020-08-21 21:17:41,672 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2020-08-21 21:17:41,672 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2020-08-21 21:17:41,672 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2020-08-21 21:17:41,672 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2020-08-21 21:17:41,672 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 21:17:41,672 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-08-21 21:17:41,672 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-08-21 21:17:41,673 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-21 21:17:41,673 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-08-21 21:17:41,673 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-08-21 21:17:41,673 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-08-21 21:17:41,673 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-08-21 21:17:41,673 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-21 21:17:41,673 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-21 21:17:41,674 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-08-21 21:17:41,674 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-08-21 21:17:41,675 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-08-21 21:17:41,675 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,675 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,675 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,675 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-08-21 21:17:41,675 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-08-21 21:17:41,675 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-08-21 21:17:41,676 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-21 21:17:41,676 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,676 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,676 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,676 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-08-21 21:17:41,676 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-08-21 21:17:41,676 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-08-21 21:17:41,677 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L433(lines 433 441) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2020-08-21 21:17:41,678 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-08-21 21:17:41,679 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-08-21 21:17:41,680 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2020-08-21 21:17:41,680 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2020-08-21 21:17:41,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L268 CegarLoopResult]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2020-08-21 21:17:41,681 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2))) [2020-08-21 21:17:41,681 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2020-08-21 21:17:41,682 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-08-21 21:17:41,682 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2020-08-21 21:17:41,682 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2020-08-21 21:17:41,682 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2020-08-21 21:17:41,682 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L264 CegarLoopResult]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 21:17:41,683 INFO L264 CegarLoopResult]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-08-21 21:17:41,683 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L264 CegarLoopResult]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-08-21 21:17:41,684 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2020-08-21 21:17:41,685 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-08-21 21:17:41,686 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2020-08-21 21:17:41,687 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2020-08-21 21:17:41,688 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2020-08-21 21:17:41,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,688 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 21:17:41,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,688 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 21:17:41,688 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point L374-1(line 374) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2020-08-21 21:17:41,689 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L271 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: true [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-08-21 21:17:41,690 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-21 21:17:41,690 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2020-08-21 21:17:41,691 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2020-08-21 21:17:41,691 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-21 21:17:41,692 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-21 21:17:41,692 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-21 21:17:41,692 INFO L268 CegarLoopResult]: For program point L307(lines 303 325) no Hoare annotation was computed. [2020-08-21 21:17:41,692 INFO L268 CegarLoopResult]: For program point L305(lines 303 325) no Hoare annotation was computed. [2020-08-21 21:17:41,692 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse5 .cse6 .cse3)))) [2020-08-21 21:17:41,692 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2020-08-21 21:17:41,692 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2020-08-21 21:17:41,692 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-08-21 21:17:41,693 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-08-21 21:17:41,693 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-08-21 21:17:41,693 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-21 21:17:41,693 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-08-21 21:17:41,693 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-08-21 21:17:41,693 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-21 21:17:41,693 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-08-21 21:17:41,693 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-08-21 21:17:41,694 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-08-21 21:17:41,694 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-21 21:17:41,694 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2020-08-21 21:17:41,694 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-08-21 21:17:41,694 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-08-21 21:17:41,694 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-08-21 21:17:41,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,694 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:17:41,695 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:17:41,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:17:41,695 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2020-08-21 21:17:41,695 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-21 21:17:41,695 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-08-21 21:17:41,695 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-08-21 21:17:41,695 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-08-21 21:17:41,696 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-08-21 21:17:41,696 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-08-21 21:17:41,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:17:41 BoogieIcfgContainer [2020-08-21 21:17:41,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:17:41,717 INFO L168 Benchmark]: Toolchain (without parser) took 54763.81 ms. Allocated memory was 138.9 MB in the beginning and 780.7 MB in the end (delta: 641.7 MB). Free memory was 101.4 MB in the beginning and 627.4 MB in the end (delta: -526.0 MB). Peak memory consumption was 664.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:17:41,718 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 21:17:41,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:17:41,719 INFO L168 Benchmark]: Boogie Preprocessor took 118.30 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 167.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:17:41,720 INFO L168 Benchmark]: RCFGBuilder took 1231.80 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.7 MB in the beginning and 199.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:17:41,721 INFO L168 Benchmark]: TraceAbstraction took 52803.80 ms. Allocated memory was 234.4 MB in the beginning and 780.7 MB in the end (delta: 546.3 MB). Free memory was 197.7 MB in the beginning and 627.4 MB in the end (delta: -429.7 MB). Peak memory consumption was 665.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:17:41,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 172.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.30 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 167.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1231.80 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.7 MB in the beginning and 199.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52803.80 ms. Allocated memory was 234.4 MB in the beginning and 780.7 MB in the end (delta: 546.3 MB). Free memory was 197.7 MB in the beginning and 627.4 MB in the end (delta: -429.7 MB). Peak memory consumption was 665.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1366 SDtfs, 3012 SDslu, 2137 SDs, 0 SdLazy, 7014 SolverSat, 1986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 348 SyntacticMatches, 3 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 431 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 991 PreInvPairs, 1059 NumberOfFragments, 1645 HoareAnnotationTreeSize, 991 FomulaSimplifications, 22681704 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 58520 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 330502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 59/65 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...